Your Portfolio Project consists of two parts, a lesson learned reflection report and a database design and analysis project. Part 1: Lessons Learned and Reflection Write a 2 page summary that outlines
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Your Portfolio Project consists of two parts, a lesson learned reflection report and a database design and analysis project.
Part 1: Lessons Learned and Reflection
Write a 2 page summary that outlines the lessons you learned in this database class. Reflect on how these lessons can be applied toward more effective database management and reporting.
Part 2: Queries
YOU MUST USE THE MySQL Workbench 8.0 CE
Using the My Guitar Shop database you installed develop the following queries. SUBMIT A SCREENSHOT OF EACH STEP.
- Write a SELECT statement that returns these column names and data from the Products table:
product_name The product_name column
list_price The list_price column
discount_percent The discount_percent column
discount_amount A column that’s calculated from the previous two columns
discount_price A column that’s calculated from the previous three columns
Round the discount_amount and discount_price columns to two decimal places. Sort the result set by the discount_price column in descending sequence. Use the LIMIT clause so the result set contains only the first five rows. Submit a screenshot.
- Write a SELECT statement that returns these column names and data from the Order_Items table:
item_id The item_id column
item_price The item_price column
discount_amount The discount_amount column
quantity The quantity column
price_total A column that’s calculated by multiplying the item price by the quantity
discount_total A column that’s calculated by multiplying the discount amount by the quantity
item_total A column that’s calculated by subtracting the discount amount from the item price and then multiplying by the quantity
Only return rows where the item_total is greater than 500. Sort the result set by the item_total column in descending sequence. Submit a screenshot.
- Write a SELECT statement that returns the product_name and list_price columns from the Products table.
Return one row for each product that has the same list price as another product.
Hint: Use a self-join to check that the product_id columns aren’t equal but the list_price columns are equal.
Sort the result set by the product_name column. Submit a screenshot.
- Write a SELECT statement that returns these two columns:
category_name The category_name column from the Categories table
product_id The product_id column from the Products table
Return one row for each category that has never been used. Hint: Use an outer join and only return rows where the product_id column contains a null value. Submit a screenshot.
- Write an INSERT statement that adds this row to the Customers table:
password: (empty string)
Use a column list for this statement. Submit a screenshot.
- Write a SELECT statement that answers this question: Which customers have ordered more than one product? Return these columns:
The email_address column from the Customers table
The count of distinct products from the customer’s orders
Sort the result set in ascending sequence by the email_address column. Submit a screenshot.
- Write a SELECT statement that answers this question: What is the total quantity purchased for each product within each category? Return these columns
The category_name column from the category table
The product_name column from the products table
The total quantity purchased for each product with orders in the Order_Items table
Use the WITH ROLLUP operator to include rows that give a summary for each category name as well as a row that gives the grand total.
Use the IF and GROUPING functions to replace null values in the category_name and product_name columns with literal values if they’re for summary rows. Submit a screenshot.
- Write and execute a script that creates a user with a username using your firstname initial and lastname and password of your choosing. This user should be able to connect to MySQL from any computer.
This user should have SELECT, INSERT, UPDATE, and DELETE privileges for the Customers, Addresses, Orders, and Order_Items tables of the My Guitar Shop database.
However, this user should only have SELECT privileges for the Products and Categories tables. Also, this user should not have the right to grant privileges to other users.
Check the privileges for the user by using the SHOW GRANTS statement. Submit a screenshot.
All the screenshots should show current date. Example of screenshot.
Submit part 1 and part 2 (your query and query results screenshots) in a Word file following APA guidelines.
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